1621598

Information

• Patent Grant
• 1621598

• References
• Source

• Patent Number

  1,621,598

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1927
  97 years ago

• CPC

  • F16B13/004 - with a drilling sleeve driven against a tapered or spherical plug
  • Y10T29/49837 - of first part

• US Classifications

  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener